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SAA7144HL Datasheet(PDF) 2 Page - NXP Semiconductors |
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SAA7144HL Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 64 page  9397 750 14454 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 01 — 21 April 2005 2 of 64 Philips Semiconductors SAA7144HL Quadruple video input processor 2. Features 2.1 General s Four stand alone video decoder instances (A, B, C, D) with two selectable CVBS video inputs each and digital video outputs s Programming register mapping identical to SAA7113H s Small package (LQFP128) s Requires only one crystal (24.576 MHz) for all standards shared by all video decoder instances s CMOS 3.3 V device with 5 V tolerant digital inputs and I/O ports s All four decoder instances are I2C-bus controlled. Two decoder instances share one I2C-bus interface (full read-back ability by an external controller, bit rate up to 400 kbit/s). 2.2 Features of each of the four video decoder instances A, B, C and D s Two analog CVBS inputs with internal analog source selectors s One analog preprocessing channel in differential CMOS style with built-in analog anti-aliasing filter s Fully programmable static gain or automatic gain control for the selected CVBS channel s Switchable white peak control s Line-locked system clock frequencies s Digital PLL for horizontal sync processing and clock generation, horizontal and vertical sync detection s Automatic detection of 50 Hz and 60 Hz field frequency and automatic switching between PAL and NTSC standards s Luminance and chrominance signal processing for PAL BGHI, PAL N, combination PAL N, PAL M, NTSC M, NTSC N, NTSC 4.43, NTSC Japan and SECAM s User programmable luminance peaking or aperture correction s Cross-color reduction for NTSC by chrominance comb filtering s PAL delay line for correcting PAL phase errors s Brightness Contrast Saturation (BCS) and hue control on-chip s Multistandard VBI data slicer decoding World Standard Teletext (WST), North American Broadcast Text System (NABTS), closed caption, Wide Screen Signalling (WSS), Video Programming System (VPS), Vertical Interval Time Code (VITC) variants (EBU/SMPTE), etc. s Standard ITU-R BT 656 Y-CB-CR 4 : 2 : 2 format (8-bit) on VPO output bus s Enhanced ITU-R BT 656 output format on VPO output bus containing: x Active video x Decoded VBI data s Boundary scan test circuit complies with the “IEEE Std. 1149.b1 - 1994”. 3. Applications s Surveillance application. |
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